The correlation analysis revealed a significant correlation between LBP and CRP at 6 h (P <0.001), 12 h (P = 0.003) and 3 d (P <0.001), IL-10 and IL-6 at 7 d (P <0.001), and IL-6 and CRP at 7 d (P = 0.001) in patients with infection (Table 4). This evidence concerns the gene IL6 and infection.